Ionic 3 "ionic cordova build android --prod" error Metadata version mismatch

user_5196949 0
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After running command "ionic cordova build android --prod" getting following error.

Error: Metadata version mismatch for module C:/Users/newuser/Documents/project/project/node_modules/@ionic/storage/dist/src/storage.d.ts, found version 4, expected 3
    at StaticSymbolResolver.getModuleMetadata (C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler\bundles\compiler.umd.js:24474:34)
    at StaticSymbolResolver._createSymbolsOf (C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler\bundles\compiler.umd.js:24260:46)
    at StaticSymbolResolver.getSymbolsOf (C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler\bundles\compiler.umd.js:24241:14)
    at C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler\bundles\compiler.umd.js:23023:30
    at Array.forEach (<anonymous>)
    at extractProgramSymbols (C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler\bundles\compiler.umd.js:23022:79)
    at AotCompiler.compileAll (C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler\bundles\compiler.umd.js:22720:47)
    at CodeGenerator.codegen (C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler-cli\src\codegen.js:30:14)
    at Function.NgTools_InternalApi_NG_2.codeGen (C:\Users\newuser\Documents\project\project\node_modules\@angular\compiler-cli\src\ngtools_api.js:61:30)
    at Object.doCodegen (C:\Users\newuser\Documents\project\project\node_modules\@ionic\app-scripts\dist\aot\codegen.js:6:51)

ionic info:

@ionic/cli-utils  : 1.14.0
ionic (Ionic CLI) : 3.14.0

global packages:

cordova (Cordova CLI) : 7.1.0

local packages:

@ionic/app-scripts : 2.1.3
Cordova Platforms  : android 6.3.0
Ionic Framework    : ionic-angular 3.6.0

System:

Node : v8.9.0
npm  : 5.5.1
OS   : Windows 10

Misc:

backend : pro
ionic3 angular
1 Answers

As this issue states, it is due to a dependency of ionic storage 2.1.1 to angular 5.x. In my case running:

npm install --save @ionic/storage@2.0.1

restored my ionic storage to the 2.0.1 version and solved my problems.

Keep in mind that the package.json of your ionic storage could state that its version is 2.0.1 but if you see into the details you can find out that it is referencing a 2.1.1 package version.

Hope this could help you

user_69385700
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